Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 491 · 40 questions

What you do (Rub and charge): 1. Tear a sheet of paper into tiny bits on a table. 2. Comb dry, clean hair quickly 10 times. 3. Hold the comb just above the paper bits and watch. 4. Try again with 20 combs, and count the bits each time.

1. 1.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it becomes a magnet (c) it works better (d) it lights up
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True
3. 3.True or false: a balloon is not needed for the static comb. (a) False (b) True
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a magnet (c) a plastic comb (d) dry hair
5. 5.🧺 Which of these is needed for the static comb? (a) a magnet (b) a mirror (c) yeast (d) dry hair
6. 6.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) on a rooftop (d) indoors
7. 7.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
8. 8.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
9. 9.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a steel spoon (c) a heavy book (d) a pebble
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) number of rubs (b) paper bits picked up (c) distance to the paper
11. 11.True or false: turmeric powder is needed for the static comb. (a) True (b) False
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we measure it (c) we change it
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) the same comb (c) paper bits picked up (d) distance to the paper
14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) False (b) True
15. 15.True or false: vinegar is not needed for the static comb. (a) False (b) True
16. 16.🔍 Which is the odd one out? (a) a thin water stream (b) a heavy book (c) a pebble (d) a steel spoon
17. 17.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
18. 18.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) the wind (c) a rainbow (d) dew
19. 19.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a heavy book (c) a pebble (d) dry hair
20. 20.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) a rubbed plastic comb (d) plug points at home
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same hair (b) paper bits picked up (c) number of rubs
22. 22.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) True (b) False
24. 24.⚡ Which of these does not move to a charged comb? (a) dry hair (b) puffed rice (c) tiny paper bits (d) a brick
25. 25.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
26. 26.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) dry hair (d) a mirror
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we keep it the same (c) we change it
28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) a mirror (d) a plastic comb
29. 29.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is a magnet (c) it is sticky (d) it has static charge
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is kept the same. (a) True (b) False
31. 31.True or false: a balloon is needed for the static comb. (a) False (b) True
32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) the same comb (c) the paper bit size (d) distance to the paper
33. 33.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
34. 34.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
35. 35.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
36. 36.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) a heavy book (d) thermocol bits
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we measure it (b) we change it (c) we keep it the same
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) True (b) False
39. 39.🧺 Which of these is needed for the static comb? (a) a mirror (b) a balloon (c) yeast (d) a magnet
40. 40.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) vinegar (c) a plastic comb (d) a balloon

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